Yimidear Women Girls 360&deg; Comprehensive Protection UV Sun Hat Large Brim Sun Hat Beach Hats Removable Face&Neck Flap Cover Cap Outdoor Visor Cap Imported Material: 80% nylon pongee, 20% breathable mesh. Hat circumference: about 59cm (Velcro adjustable); Hat brim: about 14cm. Wide floated brim to block UV and normal rays and keep face and neck shaded. Removable crowns and hat around, practical and convenient. Great for any outdoor activities: fishing, hiking, camping, traveling, hunting, seafaring, gardening etc.